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The engine check-light is continuously on and the car's rev counts don't exceed 2000rp. when diagnosed code errors APS 77 (SUB) and 78 (MAIN) reflected. what do the codes mean and anyone with error-code manual?
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Machine error 77 means you hade either a Machine error 76 or Machine error 78 and turned the machine off. Sometimes the machines will give a false code and can be reset
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